soil of Date palm under fertilizer treatment
30 ng of the extracted DNA samples were used as templates to amplify the V4 region of the 18S SSU rRNA gene using the TAReuk454FWD1 (5-CCAGCASCYGCGGTAATTCC-3) and TAReukREV3 (5-ACTTTCGTTCTTGATYRA-3) oligonucleotides in subsequent polymerase chain reaction (PCR) amplification.